Cosmetic vessel



FIG. 1 is a front elevational view of a cosmetic vessel, showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a side elevational view thereof taken from the left of FIG. 1;

FIG. 6 is a side elevational view thereof taken from the right of FIG. 2; and,

FIG. 7 is a perspective view view thereof. 

The ornamental design for a cosmetic vessel, as shown and described. 